Dan Sugalski wrote: > On Thu, 21 Aug 2003, Tom Locke wrote: > > > My big requirement is for lightweight microthreads (hopefully > > *very* lightweight - I'm considering one scheduler that can > > handle *millions* of threads on a single machine). [...] > > Parrot's going to live on top of the system thread library, > so you may run into some issues that way. Not all systems can > handle lots of threads--many of them (including Linux) have > very low limits relative to what most microthread-based systems > expect.
Not so... with the new Native POSIX Thread Library http://kerneltrap.org/node/view/422 > One test mentioned in Ulrich's email - running 100,000 > concurrent threads on an IA-32 - generated some interesting > discussion. Ingo Molnar explained that with the current > stock 2.5 kernel such a test requires roughly 1GB RAM, and > the act of starting and stopping all 100,000 threads in > parallel takes only 2 seconds. That still isn't millions... but they did mention an IA32 configuration that would support 564,000. -- Garrett Goebel IS Development Specialist ScriptPro Direct: 913.403.5261 5828 Reeds Road Main: 913.384.1008 Mission, KS 66202 Fax: 913.384.2180 www.scriptpro.com garrett at scriptpro dot com
